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Colour

#05233C

  • #05233C
  • Blue
  • Dark
  • Nearest: Black

#05233C is a blue with RGB values 5, 35, 60 and HSL 207°, 85%, 13%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#05233C#05233C
HEX#05233C
RGBrgb(5, 35, 60)
RGB (0–1)0.0196, 0.1373, 0.2353
RGB percentages2%, 13.7%, 23.5%
HSLhsl(207.3, 84.6%, 12.7%)
HSV / HSBhsv(207.3, 91.7%, 23.5%)
CMYK91.7%, 41.7%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer336,700
CSS custom property--colour: #05233C;

Brightness & contrast

Relative luminance0.01561WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16:1
Contrast with white16:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#FADCC3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#17243Dno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#0F1F3Cno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#00292Cno blue cones; rare, and affects men and women equally; ΔE 18 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 23.1Dark slate grey · ΔE 26.6Dim grey · ΔE 36.8Dark slateblue · ΔE 39.1Slate grey · ΔE 40.8Steel blue · ΔE 41.8
Nearest named CSS colourBlack (#000000)ΔE 23.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C1E05
Analogous#053C39, #05083C
Triadic#3C0523, #233C05
Split complementary#3C0508, #3C3905
Tetradic#39053C, #3C1E05, #083C05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2190EC
Lighter +30%#1175C9
Lighter +20%#0D5A9A
Lighter +10%#093E6B
Darker −10%#01080D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002341
Less saturated −25%#0D2234

Channel breakdown

R5
G35
B60
Red5 (2%)
Green35 (13.7%)
Blue60 (23.5%)
Hue207.27°
Saturation (HSL)84.62%
Lightness12.75%
Dominant channelBlue
Hex per channelR 05 · G 23 · B 3C

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Every value on this page was computed from “05233c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.